779792478 has 16 divisors (see below), whose sum is σ = 1560599040. Its totient is φ = 259761816.

The previous prime is 779792459. The next prime is 779792479. The reversal of 779792478 is 874297977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779792479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32068 + ... + 50871.

It is an arithmetic number, because the mean of its divisors is an integer number (97537440).

Almost surely, 2^779792478 is an apocalyptic number.

779792478 is an abundant number, since it is smaller than the sum of its proper divisors (780806562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

779792478 is a wasteful number, since it uses less digits than its factorization.

779792478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84511.

The product of its digits is 12446784, while the sum is 60.

The square root of 779792478 is about 27924.7646006193. The cubic root of 779792478 is about 920.4347653671.

The spelling of 779792478 in words is "seven hundred seventy-nine million, seven hundred ninety-two thousand, four hundred seventy-eight".